Home / 127,943.79-176,505.35-74,197.66

Finding the Fourth Proportional to 127,943.79, 176,505.35 and 74,197.66

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Solution

The fourth proportional to 127,943.79, 176,505.35 and 74,197.66 is: 102,359.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,943.79 : 176,505.35 = 74,197.66 : x
  2. Step 2: Convert to fraction form
    127,943.79/176,505.35 = 74,197.66/x
  3. Step 3: Cross multiply
    127,943.79x = 176,505.35 × 74,197.66
  4. Step 4: Simplify right side
    127,943.79x = 13,096,283,947.48
  5. Step 5: Solve for x
    x = 13,096,283,947.48/127,943.79
  6. Step 6: Final answer
    x = 102,359.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.